Machines and how they work
by
Describes, in text and illustrations, the evolution of different types of machines, how they work, and their many uses.
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- ● children's books, science & technology
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Describes, in text and illustrations, the evolution of different types of machines, how they work, and their many uses.
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"Describes, in text and illustrations, the evolution of different types of machines, how they work, and their many uses."
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